Home / 8,152.12-12,217.23-4,448.80

Finding the Fourth Proportional to 8,152.12, 12,217.23 and 4,448.80

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Solution

The fourth proportional to 8,152.12, 12,217.23 and 4,448.80 is: 6,667.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,152.12 : 12,217.23 = 4,448.80 : x
  2. Step 2: Convert to fraction form
    8,152.12/12,217.23 = 4,448.80/x
  3. Step 3: Cross multiply
    8,152.12x = 12,217.23 × 4,448.80
  4. Step 4: Simplify right side
    8,152.12x = 54,352,012.82
  5. Step 5: Solve for x
    x = 54,352,012.82/8,152.12
  6. Step 6: Final answer
    x = 6,667.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.